* Scheduler metrics are now marked as with the ALPHA stability level. ([#81576](https://github.com/kubernetes/kubernetes/pull/81576), [@logicalhan](https://github.com/logicalhan))
* cache-control headers are now set appropriately.  Only openapi is cacheable if etags match. ([#81946](https://github.com/kubernetes/kubernetes/pull/81946), [@deads2k](https://github.com/deads2k))

- Kube-apiserver: sets an upper-bound on the lifetime of idle keep-alive connections and the time to read the headers of incoming requests. ([#103958](https://github.com/kubernetes/kubernetes/pull/103958), [@liggitt](https://github.com/liggitt))

- Kubeadm: The global --rootfs flag considered non-experimental....

### Other notable changes

### Other notable changes

### Other (Cleanup or Flake)

- Kube-apiserver: sets an upper-bound on the lifetime of idle keep-alive connections and time to read the headers of incoming requests ([#103958](https://github.com/kubernetes/kubernetes/pull/103958), [@liggitt](https://github.com/liggitt)) [SIG API Machinery and Node]

## Dependencies

### Added
_Nothing has changed._

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pointer-events: none;\n    background-color: transparent;\n    // Remove CSS gradients if they're enabled\n    @if $enable-gradients {\n      background-image: none;\n    }\n  }\n}\n\n.dropdown-menu.show {\n  display: block;\n}\n\n// Dropdown section headers\n.dropdown-header {\n  display: block;\n  padding: $dropdown-header-padding;\n  margin-bottom: 0; // for use with heading elements\n  @include font-size($font-size-sm);\n  color: $dropdown-header-color;\n  white-space: nowrap; // as with > li > a\n}\n\n//...

pointer-events: none;\n    background-color: transparent;\n    // Remove CSS gradients if they're enabled\n    @if $enable-gradients {\n      background-image: none;\n    }\n  }\n}\n\n.dropdown-menu.show {\n  display: block;\n}\n\n// Dropdown section headers\n.dropdown-header {\n  display: block;\n  padding: $dropdown-header-padding;\n  margin-bottom: 0; // for use with heading elements\n  @include font-size($font-size-sm);\n  color: $dropdown-header-color;\n  white-space: nowrap; // as with > li > a\n}\n\n//...